1 /* 2 * Copyright (C) 2010 Red Hat, Inc. 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License as 6 * published by the Free Software Foundation; either version 2 or 7 * (at your option) version 3 of the License. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, see <http://www.gnu.org/licenses/>. 16 */ 17 18 #include <spice.h> 19 #include <spice-experimental.h> 20 21 #include <netdb.h> 22 23 #include "qemu-common.h" 24 #include "qemu-spice.h" 25 #include "qemu-thread.h" 26 #include "qemu-timer.h" 27 #include "qemu-queue.h" 28 #include "qemu-x509.h" 29 #include "qemu_socket.h" 30 #include "qmp-commands.h" 31 #include "qint.h" 32 #include "qbool.h" 33 #include "qstring.h" 34 #include "qjson.h" 35 #include "notify.h" 36 #include "migration.h" 37 #include "monitor.h" 38 #include "hw/hw.h" 39 40 /* core bits */ 41 42 static SpiceServer *spice_server; 43 static Notifier migration_state; 44 static const char *auth = "spice"; 45 static char *auth_passwd; 46 static time_t auth_expires = TIME_MAX; 47 int using_spice = 0; 48 49 static QemuThread me; 50 51 struct SpiceTimer { 52 QEMUTimer *timer; 53 QTAILQ_ENTRY(SpiceTimer) next; 54 }; 55 static QTAILQ_HEAD(, SpiceTimer) timers = QTAILQ_HEAD_INITIALIZER(timers); 56 57 static SpiceTimer *timer_add(SpiceTimerFunc func, void *opaque) 58 { 59 SpiceTimer *timer; 60 61 timer = g_malloc0(sizeof(*timer)); 62 timer->timer = qemu_new_timer_ms(rt_clock, func, opaque); 63 QTAILQ_INSERT_TAIL(&timers, timer, next); 64 return timer; 65 } 66 67 static void timer_start(SpiceTimer *timer, uint32_t ms) 68 { 69 qemu_mod_timer(timer->timer, qemu_get_clock_ms(rt_clock) + ms); 70 } 71 72 static void timer_cancel(SpiceTimer *timer) 73 { 74 qemu_del_timer(timer->timer); 75 } 76 77 static void timer_remove(SpiceTimer *timer) 78 { 79 qemu_del_timer(timer->timer); 80 qemu_free_timer(timer->timer); 81 QTAILQ_REMOVE(&timers, timer, next); 82 g_free(timer); 83 } 84 85 struct SpiceWatch { 86 int fd; 87 int event_mask; 88 SpiceWatchFunc func; 89 void *opaque; 90 QTAILQ_ENTRY(SpiceWatch) next; 91 }; 92 static QTAILQ_HEAD(, SpiceWatch) watches = QTAILQ_HEAD_INITIALIZER(watches); 93 94 static void watch_read(void *opaque) 95 { 96 SpiceWatch *watch = opaque; 97 watch->func(watch->fd, SPICE_WATCH_EVENT_READ, watch->opaque); 98 } 99 100 static void watch_write(void *opaque) 101 { 102 SpiceWatch *watch = opaque; 103 watch->func(watch->fd, SPICE_WATCH_EVENT_WRITE, watch->opaque); 104 } 105 106 static void watch_update_mask(SpiceWatch *watch, int event_mask) 107 { 108 IOHandler *on_read = NULL; 109 IOHandler *on_write = NULL; 110 111 watch->event_mask = event_mask; 112 if (watch->event_mask & SPICE_WATCH_EVENT_READ) { 113 on_read = watch_read; 114 } 115 if (watch->event_mask & SPICE_WATCH_EVENT_WRITE) { 116 on_write = watch_write; 117 } 118 qemu_set_fd_handler(watch->fd, on_read, on_write, watch); 119 } 120 121 static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque) 122 { 123 SpiceWatch *watch; 124 125 watch = g_malloc0(sizeof(*watch)); 126 watch->fd = fd; 127 watch->func = func; 128 watch->opaque = opaque; 129 QTAILQ_INSERT_TAIL(&watches, watch, next); 130 131 watch_update_mask(watch, event_mask); 132 return watch; 133 } 134 135 static void watch_remove(SpiceWatch *watch) 136 { 137 qemu_set_fd_handler(watch->fd, NULL, NULL, NULL); 138 QTAILQ_REMOVE(&watches, watch, next); 139 g_free(watch); 140 } 141 142 #if SPICE_INTERFACE_CORE_MINOR >= 3 143 144 typedef struct ChannelList ChannelList; 145 struct ChannelList { 146 SpiceChannelEventInfo *info; 147 QTAILQ_ENTRY(ChannelList) link; 148 }; 149 static QTAILQ_HEAD(, ChannelList) channel_list = QTAILQ_HEAD_INITIALIZER(channel_list); 150 151 static void channel_list_add(SpiceChannelEventInfo *info) 152 { 153 ChannelList *item; 154 155 item = g_malloc0(sizeof(*item)); 156 item->info = info; 157 QTAILQ_INSERT_TAIL(&channel_list, item, link); 158 } 159 160 static void channel_list_del(SpiceChannelEventInfo *info) 161 { 162 ChannelList *item; 163 164 QTAILQ_FOREACH(item, &channel_list, link) { 165 if (item->info != info) { 166 continue; 167 } 168 QTAILQ_REMOVE(&channel_list, item, link); 169 g_free(item); 170 return; 171 } 172 } 173 174 static void add_addr_info(QDict *dict, struct sockaddr *addr, int len) 175 { 176 char host[NI_MAXHOST], port[NI_MAXSERV]; 177 const char *family; 178 179 getnameinfo(addr, len, host, sizeof(host), port, sizeof(port), 180 NI_NUMERICHOST | NI_NUMERICSERV); 181 family = inet_strfamily(addr->sa_family); 182 183 qdict_put(dict, "host", qstring_from_str(host)); 184 qdict_put(dict, "port", qstring_from_str(port)); 185 qdict_put(dict, "family", qstring_from_str(family)); 186 } 187 188 static void add_channel_info(QDict *dict, SpiceChannelEventInfo *info) 189 { 190 int tls = info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS; 191 192 qdict_put(dict, "connection-id", qint_from_int(info->connection_id)); 193 qdict_put(dict, "channel-type", qint_from_int(info->type)); 194 qdict_put(dict, "channel-id", qint_from_int(info->id)); 195 qdict_put(dict, "tls", qbool_from_int(tls)); 196 } 197 198 static void channel_event(int event, SpiceChannelEventInfo *info) 199 { 200 static const int qevent[] = { 201 [ SPICE_CHANNEL_EVENT_CONNECTED ] = QEVENT_SPICE_CONNECTED, 202 [ SPICE_CHANNEL_EVENT_INITIALIZED ] = QEVENT_SPICE_INITIALIZED, 203 [ SPICE_CHANNEL_EVENT_DISCONNECTED ] = QEVENT_SPICE_DISCONNECTED, 204 }; 205 QDict *server, *client; 206 QObject *data; 207 208 /* 209 * Spice server might have called us from spice worker thread 210 * context (happens on display channel disconnects). Spice should 211 * not do that. It isn't that easy to fix it in spice and even 212 * when it is fixed we still should cover the already released 213 * spice versions. So detect that we've been called from another 214 * thread and grab the iothread lock if so before calling qemu 215 * functions. 216 */ 217 bool need_lock = !qemu_thread_is_self(&me); 218 if (need_lock) { 219 qemu_mutex_lock_iothread(); 220 } 221 222 client = qdict_new(); 223 server = qdict_new(); 224 225 #ifdef SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT 226 if (info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) { 227 add_addr_info(client, (struct sockaddr *)&info->paddr_ext, 228 info->plen_ext); 229 add_addr_info(server, (struct sockaddr *)&info->laddr_ext, 230 info->llen_ext); 231 } else { 232 fprintf(stderr, "spice: %s, extended address is expected\n", 233 __func__); 234 #endif 235 add_addr_info(client, &info->paddr, info->plen); 236 add_addr_info(server, &info->laddr, info->llen); 237 #ifdef SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT 238 } 239 #endif 240 241 if (event == SPICE_CHANNEL_EVENT_INITIALIZED) { 242 qdict_put(server, "auth", qstring_from_str(auth)); 243 add_channel_info(client, info); 244 channel_list_add(info); 245 } 246 if (event == SPICE_CHANNEL_EVENT_DISCONNECTED) { 247 channel_list_del(info); 248 } 249 250 data = qobject_from_jsonf("{ 'client': %p, 'server': %p }", 251 QOBJECT(client), QOBJECT(server)); 252 monitor_protocol_event(qevent[event], data); 253 qobject_decref(data); 254 255 if (need_lock) { 256 qemu_mutex_unlock_iothread(); 257 } 258 } 259 260 #else /* SPICE_INTERFACE_CORE_MINOR >= 3 */ 261 262 static QList *channel_list_get(void) 263 { 264 return NULL; 265 } 266 267 #endif /* SPICE_INTERFACE_CORE_MINOR >= 3 */ 268 269 static SpiceCoreInterface core_interface = { 270 .base.type = SPICE_INTERFACE_CORE, 271 .base.description = "qemu core services", 272 .base.major_version = SPICE_INTERFACE_CORE_MAJOR, 273 .base.minor_version = SPICE_INTERFACE_CORE_MINOR, 274 275 .timer_add = timer_add, 276 .timer_start = timer_start, 277 .timer_cancel = timer_cancel, 278 .timer_remove = timer_remove, 279 280 .watch_add = watch_add, 281 .watch_update_mask = watch_update_mask, 282 .watch_remove = watch_remove, 283 284 #if SPICE_INTERFACE_CORE_MINOR >= 3 285 .channel_event = channel_event, 286 #endif 287 }; 288 289 #ifdef SPICE_INTERFACE_MIGRATION 290 typedef struct SpiceMigration { 291 SpiceMigrateInstance sin; 292 struct { 293 MonitorCompletion *cb; 294 void *opaque; 295 } connect_complete; 296 } SpiceMigration; 297 298 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin); 299 300 static const SpiceMigrateInterface migrate_interface = { 301 .base.type = SPICE_INTERFACE_MIGRATION, 302 .base.description = "migration", 303 .base.major_version = SPICE_INTERFACE_MIGRATION_MAJOR, 304 .base.minor_version = SPICE_INTERFACE_MIGRATION_MINOR, 305 .migrate_connect_complete = migrate_connect_complete_cb, 306 .migrate_end_complete = NULL, 307 }; 308 309 static SpiceMigration spice_migrate; 310 311 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin) 312 { 313 SpiceMigration *sm = container_of(sin, SpiceMigration, sin); 314 if (sm->connect_complete.cb) { 315 sm->connect_complete.cb(sm->connect_complete.opaque, NULL); 316 } 317 sm->connect_complete.cb = NULL; 318 } 319 #endif 320 321 /* config string parsing */ 322 323 static int name2enum(const char *string, const char *table[], int entries) 324 { 325 int i; 326 327 if (string) { 328 for (i = 0; i < entries; i++) { 329 if (!table[i]) { 330 continue; 331 } 332 if (strcmp(string, table[i]) != 0) { 333 continue; 334 } 335 return i; 336 } 337 } 338 return -1; 339 } 340 341 static int parse_name(const char *string, const char *optname, 342 const char *table[], int entries) 343 { 344 int value = name2enum(string, table, entries); 345 346 if (value != -1) { 347 return value; 348 } 349 fprintf(stderr, "spice: invalid %s: %s\n", optname, string); 350 exit(1); 351 } 352 353 static const char *stream_video_names[] = { 354 [ SPICE_STREAM_VIDEO_OFF ] = "off", 355 [ SPICE_STREAM_VIDEO_ALL ] = "all", 356 [ SPICE_STREAM_VIDEO_FILTER ] = "filter", 357 }; 358 #define parse_stream_video(_name) \ 359 name2enum(_name, stream_video_names, ARRAY_SIZE(stream_video_names)) 360 361 static const char *compression_names[] = { 362 [ SPICE_IMAGE_COMPRESS_OFF ] = "off", 363 [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz", 364 [ SPICE_IMAGE_COMPRESS_AUTO_LZ ] = "auto_lz", 365 [ SPICE_IMAGE_COMPRESS_QUIC ] = "quic", 366 [ SPICE_IMAGE_COMPRESS_GLZ ] = "glz", 367 [ SPICE_IMAGE_COMPRESS_LZ ] = "lz", 368 }; 369 #define parse_compression(_name) \ 370 parse_name(_name, "image compression", \ 371 compression_names, ARRAY_SIZE(compression_names)) 372 373 static const char *wan_compression_names[] = { 374 [ SPICE_WAN_COMPRESSION_AUTO ] = "auto", 375 [ SPICE_WAN_COMPRESSION_NEVER ] = "never", 376 [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always", 377 }; 378 #define parse_wan_compression(_name) \ 379 parse_name(_name, "wan compression", \ 380 wan_compression_names, ARRAY_SIZE(wan_compression_names)) 381 382 /* functions for the rest of qemu */ 383 384 static SpiceChannelList *qmp_query_spice_channels(void) 385 { 386 SpiceChannelList *cur_item = NULL, *head = NULL; 387 ChannelList *item; 388 389 QTAILQ_FOREACH(item, &channel_list, link) { 390 SpiceChannelList *chan; 391 char host[NI_MAXHOST], port[NI_MAXSERV]; 392 struct sockaddr *paddr; 393 socklen_t plen; 394 395 chan = g_malloc0(sizeof(*chan)); 396 chan->value = g_malloc0(sizeof(*chan->value)); 397 398 #ifdef SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT 399 if (item->info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) { 400 paddr = (struct sockaddr *)&item->info->paddr_ext; 401 plen = item->info->plen_ext; 402 } else { 403 #endif 404 paddr = &item->info->paddr; 405 plen = item->info->plen; 406 #ifdef SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT 407 } 408 #endif 409 410 getnameinfo(paddr, plen, 411 host, sizeof(host), port, sizeof(port), 412 NI_NUMERICHOST | NI_NUMERICSERV); 413 chan->value->host = g_strdup(host); 414 chan->value->port = g_strdup(port); 415 chan->value->family = g_strdup(inet_strfamily(paddr->sa_family)); 416 417 chan->value->connection_id = item->info->connection_id; 418 chan->value->channel_type = item->info->type; 419 chan->value->channel_id = item->info->id; 420 chan->value->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS; 421 422 /* XXX: waiting for the qapi to support GSList */ 423 if (!cur_item) { 424 head = cur_item = chan; 425 } else { 426 cur_item->next = chan; 427 cur_item = chan; 428 } 429 } 430 431 return head; 432 } 433 434 SpiceInfo *qmp_query_spice(Error **errp) 435 { 436 QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head); 437 int port, tls_port; 438 const char *addr; 439 SpiceInfo *info; 440 char version_string[20]; /* 12 = |255.255.255\0| is the max */ 441 442 info = g_malloc0(sizeof(*info)); 443 444 if (!spice_server || !opts) { 445 info->enabled = false; 446 return info; 447 } 448 449 info->enabled = true; 450 451 addr = qemu_opt_get(opts, "addr"); 452 port = qemu_opt_get_number(opts, "port", 0); 453 tls_port = qemu_opt_get_number(opts, "tls-port", 0); 454 455 info->has_auth = true; 456 info->auth = g_strdup(auth); 457 458 info->has_host = true; 459 info->host = g_strdup(addr ? addr : "0.0.0.0"); 460 461 info->has_compiled_version = true; 462 snprintf(version_string, sizeof(version_string), "%d.%d.%d", 463 (SPICE_SERVER_VERSION & 0xff0000) >> 16, 464 (SPICE_SERVER_VERSION & 0xff00) >> 8, 465 SPICE_SERVER_VERSION & 0xff); 466 info->compiled_version = g_strdup(version_string); 467 468 if (port) { 469 info->has_port = true; 470 info->port = port; 471 } 472 if (tls_port) { 473 info->has_tls_port = true; 474 info->tls_port = tls_port; 475 } 476 477 /* for compatibility with the original command */ 478 info->has_channels = true; 479 info->channels = qmp_query_spice_channels(); 480 481 return info; 482 } 483 484 static void migration_state_notifier(Notifier *notifier, void *data) 485 { 486 MigrationState *s = data; 487 488 if (migration_is_active(s)) { 489 #ifdef SPICE_INTERFACE_MIGRATION 490 spice_server_migrate_start(spice_server); 491 #endif 492 } else if (migration_has_finished(s)) { 493 #if SPICE_SERVER_VERSION >= 0x000701 /* 0.7.1 */ 494 #ifndef SPICE_INTERFACE_MIGRATION 495 spice_server_migrate_switch(spice_server); 496 #else 497 spice_server_migrate_end(spice_server, true); 498 } else if (migration_has_failed(s)) { 499 spice_server_migrate_end(spice_server, false); 500 #endif 501 #endif 502 } 503 } 504 505 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port, 506 const char *subject, 507 MonitorCompletion *cb, void *opaque) 508 { 509 int ret; 510 #ifdef SPICE_INTERFACE_MIGRATION 511 spice_migrate.connect_complete.cb = cb; 512 spice_migrate.connect_complete.opaque = opaque; 513 ret = spice_server_migrate_connect(spice_server, hostname, 514 port, tls_port, subject); 515 #else 516 ret = spice_server_migrate_info(spice_server, hostname, 517 port, tls_port, subject); 518 cb(opaque, NULL); 519 #endif 520 return ret; 521 } 522 523 static int add_channel(const char *name, const char *value, void *opaque) 524 { 525 int security = 0; 526 int rc; 527 528 if (strcmp(name, "tls-channel") == 0) { 529 security = SPICE_CHANNEL_SECURITY_SSL; 530 } 531 if (strcmp(name, "plaintext-channel") == 0) { 532 security = SPICE_CHANNEL_SECURITY_NONE; 533 } 534 if (security == 0) { 535 return 0; 536 } 537 if (strcmp(value, "default") == 0) { 538 rc = spice_server_set_channel_security(spice_server, NULL, security); 539 } else { 540 rc = spice_server_set_channel_security(spice_server, value, security); 541 } 542 if (rc != 0) { 543 fprintf(stderr, "spice: failed to set channel security for %s\n", value); 544 exit(1); 545 } 546 return 0; 547 } 548 549 void qemu_spice_init(void) 550 { 551 QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head); 552 const char *password, *str, *x509_dir, *addr, 553 *x509_key_password = NULL, 554 *x509_dh_file = NULL, 555 *tls_ciphers = NULL; 556 char *x509_key_file = NULL, 557 *x509_cert_file = NULL, 558 *x509_cacert_file = NULL; 559 int port, tls_port, len, addr_flags; 560 spice_image_compression_t compression; 561 spice_wan_compression_t wan_compr; 562 563 qemu_thread_get_self(&me); 564 565 if (!opts) { 566 return; 567 } 568 port = qemu_opt_get_number(opts, "port", 0); 569 tls_port = qemu_opt_get_number(opts, "tls-port", 0); 570 if (!port && !tls_port) { 571 fprintf(stderr, "neither port nor tls-port specified for spice."); 572 exit(1); 573 } 574 if (port < 0 || port > 65535) { 575 fprintf(stderr, "spice port is out of range"); 576 exit(1); 577 } 578 if (tls_port < 0 || tls_port > 65535) { 579 fprintf(stderr, "spice tls-port is out of range"); 580 exit(1); 581 } 582 password = qemu_opt_get(opts, "password"); 583 584 if (tls_port) { 585 x509_dir = qemu_opt_get(opts, "x509-dir"); 586 if (NULL == x509_dir) { 587 x509_dir = "."; 588 } 589 len = strlen(x509_dir) + 32; 590 591 str = qemu_opt_get(opts, "x509-key-file"); 592 if (str) { 593 x509_key_file = g_strdup(str); 594 } else { 595 x509_key_file = g_malloc(len); 596 snprintf(x509_key_file, len, "%s/%s", x509_dir, X509_SERVER_KEY_FILE); 597 } 598 599 str = qemu_opt_get(opts, "x509-cert-file"); 600 if (str) { 601 x509_cert_file = g_strdup(str); 602 } else { 603 x509_cert_file = g_malloc(len); 604 snprintf(x509_cert_file, len, "%s/%s", x509_dir, X509_SERVER_CERT_FILE); 605 } 606 607 str = qemu_opt_get(opts, "x509-cacert-file"); 608 if (str) { 609 x509_cacert_file = g_strdup(str); 610 } else { 611 x509_cacert_file = g_malloc(len); 612 snprintf(x509_cacert_file, len, "%s/%s", x509_dir, X509_CA_CERT_FILE); 613 } 614 615 x509_key_password = qemu_opt_get(opts, "x509-key-password"); 616 x509_dh_file = qemu_opt_get(opts, "x509-dh-file"); 617 tls_ciphers = qemu_opt_get(opts, "tls-ciphers"); 618 } 619 620 addr = qemu_opt_get(opts, "addr"); 621 addr_flags = 0; 622 if (qemu_opt_get_bool(opts, "ipv4", 0)) { 623 addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY; 624 } else if (qemu_opt_get_bool(opts, "ipv6", 0)) { 625 addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY; 626 } 627 628 spice_server = spice_server_new(); 629 spice_server_set_addr(spice_server, addr ? addr : "", addr_flags); 630 if (port) { 631 spice_server_set_port(spice_server, port); 632 } 633 if (tls_port) { 634 spice_server_set_tls(spice_server, tls_port, 635 x509_cacert_file, 636 x509_cert_file, 637 x509_key_file, 638 x509_key_password, 639 x509_dh_file, 640 tls_ciphers); 641 } 642 if (password) { 643 spice_server_set_ticket(spice_server, password, 0, 0, 0); 644 } 645 if (qemu_opt_get_bool(opts, "sasl", 0)) { 646 #if SPICE_SERVER_VERSION >= 0x000900 /* 0.9.0 */ 647 if (spice_server_set_sasl_appname(spice_server, "qemu") == -1 || 648 spice_server_set_sasl(spice_server, 1) == -1) { 649 fprintf(stderr, "spice: failed to enable sasl\n"); 650 exit(1); 651 } 652 #else 653 fprintf(stderr, "spice: sasl is not available (spice >= 0.9 required)\n"); 654 exit(1); 655 #endif 656 } 657 if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) { 658 auth = "none"; 659 spice_server_set_noauth(spice_server); 660 } 661 662 #if SPICE_SERVER_VERSION >= 0x000801 663 if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) { 664 spice_server_set_agent_copypaste(spice_server, false); 665 } 666 #endif 667 668 compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ; 669 str = qemu_opt_get(opts, "image-compression"); 670 if (str) { 671 compression = parse_compression(str); 672 } 673 spice_server_set_image_compression(spice_server, compression); 674 675 wan_compr = SPICE_WAN_COMPRESSION_AUTO; 676 str = qemu_opt_get(opts, "jpeg-wan-compression"); 677 if (str) { 678 wan_compr = parse_wan_compression(str); 679 } 680 spice_server_set_jpeg_compression(spice_server, wan_compr); 681 682 wan_compr = SPICE_WAN_COMPRESSION_AUTO; 683 str = qemu_opt_get(opts, "zlib-glz-wan-compression"); 684 if (str) { 685 wan_compr = parse_wan_compression(str); 686 } 687 spice_server_set_zlib_glz_compression(spice_server, wan_compr); 688 689 str = qemu_opt_get(opts, "streaming-video"); 690 if (str) { 691 int streaming_video = parse_stream_video(str); 692 spice_server_set_streaming_video(spice_server, streaming_video); 693 } 694 695 spice_server_set_agent_mouse 696 (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1)); 697 spice_server_set_playback_compression 698 (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1)); 699 700 qemu_opt_foreach(opts, add_channel, NULL, 0); 701 702 if (0 != spice_server_init(spice_server, &core_interface)) { 703 fprintf(stderr, "failed to initialize spice server"); 704 exit(1); 705 }; 706 using_spice = 1; 707 708 migration_state.notify = migration_state_notifier; 709 add_migration_state_change_notifier(&migration_state); 710 #ifdef SPICE_INTERFACE_MIGRATION 711 spice_migrate.sin.base.sif = &migrate_interface.base; 712 spice_migrate.connect_complete.cb = NULL; 713 qemu_spice_add_interface(&spice_migrate.sin.base); 714 #endif 715 716 qemu_spice_input_init(); 717 qemu_spice_audio_init(); 718 719 g_free(x509_key_file); 720 g_free(x509_cert_file); 721 g_free(x509_cacert_file); 722 } 723 724 int qemu_spice_add_interface(SpiceBaseInstance *sin) 725 { 726 if (!spice_server) { 727 if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) { 728 fprintf(stderr, "Oops: spice configured but not active\n"); 729 exit(1); 730 } 731 /* 732 * Create a spice server instance. 733 * It does *not* listen on the network. 734 * It handles QXL local rendering only. 735 * 736 * With a command line like '-vnc :0 -vga qxl' you'll end up here. 737 */ 738 spice_server = spice_server_new(); 739 spice_server_init(spice_server, &core_interface); 740 } 741 return spice_server_add_interface(spice_server, sin); 742 } 743 744 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn) 745 { 746 time_t lifetime, now = time(NULL); 747 char *passwd; 748 749 if (now < auth_expires) { 750 passwd = auth_passwd; 751 lifetime = (auth_expires - now); 752 if (lifetime > INT_MAX) { 753 lifetime = INT_MAX; 754 } 755 } else { 756 passwd = NULL; 757 lifetime = 1; 758 } 759 return spice_server_set_ticket(spice_server, passwd, lifetime, 760 fail_if_conn, disconnect_if_conn); 761 } 762 763 int qemu_spice_set_passwd(const char *passwd, 764 bool fail_if_conn, bool disconnect_if_conn) 765 { 766 free(auth_passwd); 767 auth_passwd = strdup(passwd); 768 return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn); 769 } 770 771 int qemu_spice_set_pw_expire(time_t expires) 772 { 773 auth_expires = expires; 774 return qemu_spice_set_ticket(false, false); 775 } 776 777 int qemu_spice_display_add_client(int csock, int skipauth, int tls) 778 { 779 #if SPICE_SERVER_VERSION >= 0x000a01 780 if (tls) { 781 return spice_server_add_ssl_client(spice_server, csock, skipauth); 782 } else { 783 return spice_server_add_client(spice_server, csock, skipauth); 784 } 785 #else 786 return -1; 787 #endif 788 } 789 790 static void spice_register_config(void) 791 { 792 qemu_add_opts(&qemu_spice_opts); 793 } 794 machine_init(spice_register_config); 795 796 static void spice_register_types(void) 797 { 798 qemu_spice_init(); 799 } 800 801 type_init(spice_register_types) 802